L12-Type Ordered Structures in NiCrAlFe Precision Resistance Alloy

被引：0

作者：

Huang, Shudong ^{[1
]}

Wang, Yong ^{[1
]}

Yang, Xianjun ^{[2
]}

Xu, Yonghong ^{[2
]}

机构：

[1] College of Materials Science & Engineering, International Joint Laboratory for Light Alloys, Ministry of Education, Chongqing University, Chongqing,400044, China

[2] Chongqing Chuanyi Metallic Functional Materials Co., Ltd, Chongqing,400702, China

来源：

Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering | 2020年 / 49卷 / 12期

关键词：

Using the first-principles pseudopotential plane-wave method; the binding energies; density of states and lattice constants of a NiCrAlFe precision resistance alloy were calculated based on the disordered solid solution and L12-type ordered structures. The microstructure of the alloy was analyzed by high-resolution transmission electron microscope (HRTEM). Also; the electrical resistance of the alloy was measured after solid-solution and aging treatment. From the binding energy point of view; the L12-type ordered structure is more stable than the disordered solid solution structure. The calculation results of density of states and partial density of states show that in the L12-type ordered structure; Ni; Cr; Al and Fe atoms bond with each other more strongly than they do in the disordered solid solution structure. Thus the stability of the alloy is improved. In fact; L12-type ordered structure is revealed by HRTEM in the as-aged alloy; and its lattice parameters are close to the calculated results. According to the comparison of density of states at the Fermi level of different structures; the electrical conductivity of the alloy decreases due to the formation of L12-type ordered structure compared with that of the disordered solid solution structure; which is consistent with the experimental results. © 2020; Science Press. All right reserved;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

引用

页码：4159 / 4165

共 50 条

[21] DISORDERING AND AMORPHIZATION OF L12-TYPE ALLOYS BY MECHANICAL ATTRITION
BENAMEUR, T
YAVARI, AR
JOURNAL OF MATERIALS RESEARCH, 1992, 7 (11) : 2971 - 2977
[22] Al composition dependence of Pt, Mn and V diffusion in L12-type ordered Ni3Al
Minamino, Y
Yoshida, H
Hirao, K
Yamane, T
Jung, SB
HIGH TEMPERATURE MATERIALS AND PROCESSES, 1999, 18 (5-6) : 337 - 350
[23] L12-TYPE STRUCTURE:ATOMIC RADII OF CONSTITUENTS AND LATTICE CONSTANT
罗棨光
王荣耀
Science China Mathematics, 1988, (09) : 1093 - 1103
[24] Cyclic deformation and deformation substructure in L12-type intermetallic compounds
Umakoshi, Y.
Yasuda, H.Y.
Sasaki, A.
Furuta, D.
International Journal of Materials and Product Technology, 2001, (SPEC. ISS. VOL.1) : 229 - 237
[25] L12-type structure: atomic radii of constituents and lattice constant
Luo, Qiguang
Wang, Rongyao
Scientia sinica. Series A. Mathematical, physical, astronomical and technical sciences, 1988, 31 (09): : 1093 - 1103
[26] Cyclic deformation and deformation substructure in L12-type intermetallic compounds
Umakoshi, Y
Yasuda, HY
Sasaki, A
Furuta, D
INTERNATIONAL JOURNAL OF MATERIALS & PRODUCT TECHNOLOGY, 2001, : 229 - 237
[27] Effects of stacking fault energy and ordering energy on grain boundary character distribution of recrystallized L12-type ordered alloys
Kaneno, Y
Takasugi, T
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2005, 393 (1-2): : 71 - 79
[28] ELASTICITY OF NI-BASED L12-TYPE INTERMETALLIC COMPOUNDS
YASUDA, H
TAKASUGI, T
KOIWA, M
ACTA METALLURGICA ET MATERIALIA, 1992, 40 (02): : 381 - 387
[29] Characterization of grain boundaries in recrystallized L12-type intermetallic alloys
Kaneno, Y
Takasugi, T
NEW FRONTIERS OF PROCESSING AND ENGINEERING IN ADVANCED MATERIALS, 2005, 502 : 151 - 156
[30] Elemental partitions and deformation mechanisms of L12-type multicomponent intermetallics
Zhang, Jun
Ma, Shihua
Xiong, Yaoxu
Xu, Biao
Zhao, Shijun
ACTA MATERIALIA, 2021, 219 (219)

← 1 2 3 4 5 →